package cn.itcast.service;

import cn.itcast.pojo.*;

import java.util.List;

public interface ReportService {
    //返回装有员工性别和人数的集合
    List<EmpGender> empGenderData();
    //返回装有员工joblist和countlist的类
    EmpJobData empJobData();

    List<StudentDegreeData> studentDegreeData();

    StudentCountData studentCountData();
}
